揽瓜阁逻辑做题小分队 第100天

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Market analysts are technical experts whose special access to the data of large companies gives them unique opportunities to track and predict those companies’ earnings and prices on the stock market with uncommon precision. By several statistical measures, however, the accuracy of market analysts’ predictions declined suddenly and markedly in the early 1990s.
Which of the following, if true, would best help to explain the decline in market analysts’ accuracy that occurred in the early 1990s?
A. Computer-generated statistical analysis of many forms of economic data become more readily and inexpensively available to market analysts in the early 1990s.
B. International influences on the stock market performance of most large companies became more complex in the early 1990s, and this made the gathering of reliable data about those companies more difficult.
C. A wave of corporate mergers and buyouts led market analysts to improve their short-term forecasting models in the mid-1980s.
D. Throughout the 1980s and early 1990s, the predictions of the highest-paid market analysts were not much more accurate than those of market analysts who were less well paid.
E. Beginning in the late 1990s many large companies started making the information that had once been available only to market analysts more widely available.



Sea turtles caught in traditional shrimp nets drown. Five years ago, Ridland’s government introduced a requirement that all nets used to catch shrimp be equipped with special devices that allow sea turtles to escape if caught in the net. In the first four years, significantly fewer sea turtles washed up dead on Ridland's shores. Last year, the number was five percent higher than before the program began. Clearly, therefore, many shrimpers have stopped complying with the law.
Which of the following, if true, most seriously weakens the argument?
(A) because of conservation programs at sea-turtle nesting sites, the population of sea turtles migrating through Ridland’s waters was up sharply last year
(B) The special devices allow not only turtles but also some shrimp to escape from shrimp nets, reducing the amount of shrimp that a shrimp boat can catch in a day.
(C) Because of the direction of ocean currents in and around Ridland's waters, any sea turtles that wash up dead on Ridland’s shores are likely to have died within the area fished by Ridlandian shrimp boats.
(D) The fine for violating the law requiring shrimp nets to have the special devices was increased last year and is now greater than the cost of purchasing such a device.
(E) Because of a number of measures unrelated to the protection of sea turtles, Ridland’s waters are less polluted now than they were five years ago.



参考答案：
BA

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EA

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BC

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Nickel010

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bA

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